Finding the Fourth Proportional to 105,842.82, 146,064.81 and 58,100.61

Step by Step Solution

1. Step 1: Write the proportion equation
   105,842.82 : 146,064.81 = 58,100.61 : x
2. Step 2: Convert to fraction form
   105,842.82/146,064.81 = 58,100.61/x
3. Step 3: Cross multiply
   105,842.82x = 146,064.81 × 58,100.61
4. Step 4: Simplify right side
   105,842.82x = 8,486,454,560.53
5. Step 5: Solve for x
   x = 8,486,454,560.53/105,842.82
6. Step 6: Final answer
   x = 80,179.79